20090265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{383}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14746215

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 269, 383, 807, 1149, 1345, 1915, 3497, 4035, 4979, 5745, 10491, 14937, 17485, 24895, 52455, 74685, 103027, 309081, 515135, 1339351, 1545405, 4018053, 6696755, 20090265]

約数ペア:

[(1, 20090265), (3, 6696755), (5, 4018053), (13, 1545405), (15, 1339351), (39, 515135), (65, 309081), (195, 103027), (269, 74685), (383, 52455), (807, 24895), (1149, 17485), (1345, 14937), (1915, 10491), (3497, 5745), (4035, 4979)]